#554D8D
Closest named color: Twilight (#4E518B). oklch(45.9% 0.102 287.4), rgb(85, 77, 141).
Aa
White text reads best on this color (7.41:1).
About this color
#554D8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.102 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.015 away. White text reads best on it, at 7.41:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #554D8D |
| RGB | rgb(85, 77, 141) |
| HSL | hsl(248, 29%, 43%) |
| OKLCH | oklch(45.9% 0.102 287.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #554D8D | 7.41:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #554D8D | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #554D8D text on white | 7.41:1 | AAA | Lc 85.6 | Fine for body text |
| #554D8D text on black | 2.83:1 | Fails | Lc -16.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EF
oklch(88.5% 0.034 287.5)
-
Step 300
300
#BEBBE6
oklch(80.9% 0.06 288.2)
-
Step 400
400
#9D97D9
oklch(70.6% 0.096 287.9)
-
Step 500
500
#867DCF
oklch(63.2% 0.121 287.4)
-
Step 600
600
#7064BC
oklch(55.6% 0.133 287.5)
-
Step 700
700
#5E53A2
oklch(49.2% 0.123 287.4)
-
Step 800
800 (this color)
#554D8D
oklch(45.9% 0.102 287.4)
-
Step 900
900
#3F3A69
oklch(37.7% 0.079 286.8)
-
Step 950
950
#25223E
oklch(27% 0.051 287.4)
#554D8D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #36578F | 0.047 |
| Deuteranopia (no green cones) | #36548B | 0.045 |
| Tritanopia (no blue cones) | #465A66 | 0.087 |
| Achromatopsia (no color) | #555555 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D8D
#554D8D
oklch(45.9% 0.102 287.4)
- #5E5B00
#5E5B00
oklch(45.9% 0.099 107.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #554D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.015
- Dusk #4E5481 ΔE 0.032
- Blueberry #464196 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
- Dusty Grape #545775 ΔE 0.055
- Dusk Blue #26538D ΔE 0.060
Use #554D8D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.